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  <h2 id="metadata-editor">元数据</h2>

  <p class="h2subheading">— 编辑有关您的书的详细信息 —</p>

  <p>The Metadata Editor allows you to add or edit details about your book – like Author, Title and Language, as well as hundreds of other entries defined by the EPUB standard.</p>
  <p>元数据编辑器允许您添加或编辑有关书籍的详细信息，例如作者、书名和语言，以及 EPUB 标准定义的数百个其他条目。</p>

  <p>Edit your book details by clicking the Metadata Editor button <img alt="" src="../Images/metadata-editor_22px.png"/>, or selecting the menu item <span class="menuitem">Tools→Metadata Editor</span> or its keyboard shortcut:</p>
  <p>通过单击“元数据编辑器”按钮 <img alt="" src="../Images/metadata-editor_22px.png"/> 或选择菜单项 <span class="menuitem">工具→元数据编辑器来编辑图书详细信息</span> 或其键盘快捷键：</p>

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    <img alt="metadata-editor-main" src="../Images/metadata-editor_new.png"/>
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  <p>All of the details about the book (called metadata) are stored in the <span class="example">content.opf</span> file in the EPUB. You can edit this information manually, but the Metadata Editor allows you to edit it more easily.</p>
  <p>有关这本书的所有详细信息（称为元数据）都存储在 EPUB 的 <span class="example">content.opf</span> 文件中。您可以手动编辑此信息，但是元数据编辑器使您可以更轻松地对其进行编辑。</p>

  <h3 class="sigil_not_in_toc" id="metadata_required">必填项</h3>

  <p>The Metadata Editor shows the 3 fields required for an EPUB at the top – you must fill these in order to create a valid EPUB:</p>
  <p>元数据编辑器在顶部显示 EPUB 所需的 3 个字段-您必须填写这些字段才能创建有效的 EPUB：</p>

  <ul>
    <li><span class="listheading">Title:</span> The title of the book.</li>
    <li><span class="listheading">Title：</span>这本书的标题。</li>

    <li><span class="listheading">Author:</span> The author of the book, usually in the form of "Firstname Lastname". You can add more authors using the fields below.</li>
    <li><span class="listheading">Author：</span>这本书的作者，通常采用“名字姓氏”的形式。您可以使用以下字段添加更多作者。</li>

    <li><span class="listheading">Language:</span> The language the book is written in.</li>
  </ul>
  <li><span class="listheading">Language：</span>本书使用的语言。</li>
  </ul>

  <div>
    You can use the optional <span class="menuitem">File-As</span> field to list the author’s name for sorting purposes, usually of the form "Lastname, Firstname".
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    您可以使用可选的 <span class="menuitem">文件格式</span> 字段列出作者的姓名以进行排序，通常采用“姓氏，名字”的形式。
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  <h3 class="sigil_not_in_toc" id="metadata_optional">可选细节</h3>

  <p>You can add optional details using the <span class="buttonbox">Add Metadata</span> or <span class="buttonbox">Add Property</span> buttons. These will be added below the required fields. The Metadata Editor allows you, for example, to provide the following values for each entry:</p>
  <p>您可以使用 <span class="buttonbox">添加元数据</span> 或 <span class="buttonbox">添加属性</span> 按钮添加可选的详细信息。这些将添加到必填字段下方。例如，元数据编辑器允许您为每个条目提供以下值：</p>

  <ul>
    <li><span class="listheading">Name:</span> The name of the field.</li>
    <li><span class="listheading">Name：</span>字段名称。</li>

    <li><span class="listheading">Value:</span> The contents of the field.</li>
    <li><span class="listheading">Value：</span>字段的内容。</li>

    <li><span class="listheading">File As:</span> Some fields like author can or date have alternative values that are used for sorting, etc..</li>
    <li><span class="listheading">File As：</span>一些字段（例如 author can 或 date）具有用于排序等的替代值。</li>

    <li><span class="listheading">Role Type:</span> All roles, like author, can be either a creator or contributor.</li>
    <li><span class="listheading">Role Type：</span>所有角色（例如作者）都可以是创建者或贡献者。</li>
  </ul>

  <div class="image">
    <img alt="metadata-add-basic" src="../Images/metadata-add-basic.png"/>
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  <p>If you click <span class="buttonbox">Add Metadata</span> or <span class="buttonbox">Add Property</span>, Sigil will display EPUB-type specific metadata/property dialog items.</p>
  <p>如果单击 <span class="buttonbox">添加元数据</span> 或 <span class="buttonbox">添加属性</span>，Sigil 将显示 EPUB 类型的特定元数据/属性对话框项。</p>

  <p>For example, the Role metadata property list contains hundreds of possible activities that people may have performed in the creation of this book such as Authors, Editor, Proofreader, etc.:</p>
  <p>例如，角色元数据属性列表包含人们在创建本书时可能执行的数百种可能的活动，例如作者，编辑，校对者等：</p>

  <div class="image">
    <img alt="metadata-add-role" src="../Images/metadata-add-role.png"/>
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  <p>You can add the same type of field multiple times.</p>
  <p>您可以多次添加相同类型的字段。</p>

  <div class="tip delete">
    <p class="tiptext">You can re-arrange the order of the entries (which may affect how ereaders display the information) by selecting the entries and clicking on the <span class="buttonbox">Up</span> or <span class="buttonbox">Down</span> buttons.</p>
    <p class="tiptext">通过选择条目并单击 <span class="buttonbox">上</span> 或 <span class="buttonbox">下</span> 按钮，您可以重新排列条目的顺序（这可能会影响电子阅读器显示信息的方式）。</p>
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